Home / 20,117,613-30,180,917.43-7,338,117.27

Finding the Fourth Proportional to 20,117,613, 30,180,917.43 and 7,338,117.27

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Solution

The fourth proportional to 20,117,613, 30,180,917.43 and 7,338,117.27 is: 11,008,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,613 : 30,180,917.43 = 7,338,117.27 : x
  2. Step 2: Convert to fraction form
    20,117,613/30,180,917.43 = 7,338,117.27/x
  3. Step 3: Cross multiply
    20,117,613x = 30,180,917.43 × 7,338,117.27
  4. Step 4: Simplify right side
    20,117,613x = 221,471,111,417,527
  5. Step 5: Solve for x
    x = 221,471,111,417,527/20,117,613
  6. Step 6: Final answer
    x = 11,008,816.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.